PELECYPODA, cay) 
CERATISOLEN LEGUMEN, Linn. (Solen ), Sowb. Illust. 
Index Brit. Shells, pl. 2, fig. 11.—Another common British 
species, of which several specimens have been found at Port 
Elizabeth. 
Saxicava arctica, Linn., Sowb. Illust. Index Brit. 
Shells, pl. 1, fig. 16.—A specimen with serrated angle, exactly 
like the typical British form, found by Mr. Crawford at Port 
Elizabeth. 
SAXICAVA AUSTRALIS, Lamarck.—The specimens shown 
me from South Africa look very much like the British 
S. rugosa. 
CorsuLa TUNIcATA, Hinds, Zoo. Voy. Sulphur, Moll. 
p- 68, pl. 10, figs. 4, 5.—Agulhas Bank. Common in the 
China Sea, &e. 
CorstLa cuNneaTa, Hinds, Zoo. Voy. Sulphur, Moll. 
p. 68, pl. 16, fig. 6—Like the last species this is not 
uncommon in the China Sea. It is quoted by Hinds from 
Agulhas Bank. 
CuSPIDARIA CAPENSIS, Smith, Report Lamell. Challenger, 
p- 45, pl. 9, figs. 5—5b.—Off Cape of Good Hope. 
THRACIA CAPENSIS, Sowerby, Journ. of Conch. vol. vi. 
1889, p. 156, pl. 3, fig. 4.—Port Elizabeth. 
THRACIA VILLOSIUSCULA, Macgillivray, Sowerby, Illust. 
Index Brit. Shells, pl. 2, fig. 9.—Port Elizabeth. 
Mactrra Apansoni, Philippi, Reeve, Conch. Icon. sp. 49. 
—A variable species, including M. semistriata (Deshayes) 
and probably M. decora (Deshayes).-—Port Elizabeth, 
Senegal, Red Sea, &e. 
Mactra pouita, Chemnitz, Reeve, Conch. Icon. sp, 39.— 
Cape, and Natal coast (Krauss). 
MAcTRA CaPENsIs, Sowerby, n. sp., pl. 3, fig. 68.—Testa 
elliptica, subsquilateralis, compressiuscula, albida, nitida, 
leevigata, concentrice subtilissime striata; umbones acuti- 
usculi, elevati, approximati ; margo dorsalis utrinque declivis, 
posticus obscure unicarinatus, ventralis mediocriter arcuatus. 
Diam. antero-post 39, umbono marg. 29 mill. 
Hab. Port Elizabeth (Crawford). 
Somewhat resembling a white variety of M. stultorum. 
